Cut the bottom of the plaster off (assuming it's boarded) then dot & dab the skirting (assuming it's something easy like MDF)?
Or screw a furring strip / batten into the wall at the bottom, and attach the skirting to that?
Chuck in some trunking while you're there...
@NotThamesWater started
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Cut the bottom of the plaster off (assuming it's boarded) then dot & dab the skirting (assuming it's something easy like MDF)?
Or screw a furring strip / batten into the wall at the bottom, and attach the skirting to that?
Chuck in some trunking while you're there...